{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898468,-0.439038,0.000000,0.000000,0.283949,-0.581088,0.762699,0.000000,-0.333911,0.683331,0.649278,0.000000,-2132740.466016,4364541.838056,4119279.709183,1],    "boundingVolume": {    "region": [2.025274,0.706598,2.025375,0.706672,0.000000,52.896269]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/7_1819492.b3dm"}}}